5613221266 has 32 divisors (see below), whose sum is σ = 8894856240. Its totient is φ = 2652926976.

The previous prime is 5613221261. The next prime is 5613221267. The reversal of 5613221266 is 6621223165.

It can be written as a sum of positive squares in 8 ways, for example, as 3813680025 + 1799541241 = 61755^2 + 42421^2 .

It is not an unprimeable number, because it can be changed into a prime (5613221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575220 + ... + 584896.

Almost surely, 2^5613221266 is an apocalyptic number.

5613221266 is a deficient number, since it is larger than the sum of its proper divisors (3281634974).

5613221266 is a wasteful number, since it uses less digits than its factorization.

5613221266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918.

The product of its digits is 25920, while the sum is 34.

The square root of 5613221266 is about 74921.4339558447. The cubic root of 5613221266 is about 1777.2044306946.

The spelling of 5613221266 in words is "five billion, six hundred thirteen million, two hundred twenty-one thousand, two hundred sixty-six".